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The molar enthalpy of vaporization of be...

The molar enthalpy of vaporization of benzene at its boiling point `(353 K)` is `29.7 KJ//"mole"`. For how long minute) would a `11.4` Volt source need to supply a `0. 5A` current in order to vaporise `7.8 g` of the sample at its boiling point ?

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`Delta E = 27.91 KJ mol^(-1)` , t = 514 sec .
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MOTION-THERMOCHEMISTRY -Exercise - 3
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  2. a. A cylinder of gas is assumed to contain 11.2 kg of butane. If a nor...

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  3. The molar enthalpy of vaporization of benzene at its boiling point (35...

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  4. When 12.0g of carbon reacted with oxygen to form CO and CO(2) at 25^(@...

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  5. The heat of reaction (1)/(2) H(2) (g) + (1)/(2) Cl(2) (g) to HCl (g) a...

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  6. Calculate the enthalpy change when infinitely dilute solution of CaCl(...

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  7. The enthalpies of neutralization of NaOH & NH(4)OH by HCl are –13680 c...

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  8. The heat of solution of anhydrous CuSO(4) is -66.5 kJ and that of CuSO...

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  9. The standard enthalpy of neutralization of KOH with HCN in dilute solu...

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  10. If the enthalpy of formation of HCl (g) and Cl^(- ) (aq) are –92.3 kJ/...

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  11. A sample of 0.16 g CH(4) was subjected to combustion at 27^(@)C in a b...

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  12. 1.0litre sample of a mixture of CH(4) and O(2) measured at 25^(@)C and...

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  13. A quantity of 1.92 of methanol was burnt in a constant pressure calori...

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  14. The heat of atomisation of PH(3(g)) is 228kcal mol^(-1) and that of P(...

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  15. Using the bond enthalpy data given below, calculate the enthalpy chang...

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  16. The enthalpy change for the following process at 25^(@) C and under co...

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  17. The polymerisation of ethylene to linear polyethylene is represented b...

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  18. From the following data : Enthalpy of formation of CH(3)CN=87.86 kJ/...

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  19. The heat of combustion of acetylene is 312 Kcal . If heat of formatio...

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  20. Using the bond enthalpy data given below, calculate the enthalpy of fo...

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